Display panel and 3D display device

ABSTRACT

The present invention provides a display panel and a 3D display device. The display panel comprising: a first substrate comprising multiple data lines, multiple scan lines, and multiple pixel units, wherein the pixel unit comprising three sub-pixel units, and each of the sub-pixel units electrically connects to the same data line sequentially, and each of the sub-pixel units electrically connects to the corresponding scan line, and the scan line corresponding to at least one of the sub-pixel unit and the scan line corresponding to the first sub-pixel unit of the adjacent next pixel unit are disposed side by side; and a second substrate disposed correspondingly to the first substrate and comprising a first black matrix disposed correspondingly to the scan lines. In the present invention, the scan lines corresponding to the multiple sub-pixels are disposed side by side such that increasing the width of the first black matrix between adjacent pixel units and vertical viewing angle and do not reduce the aperture ratio.

CROSS REFERENCE

This is a divisional application of prior co-pending application Ser.No. 13/519,344, submitted on 27 Jun. 2012, entitled “Display Panel and3D Display Device”, which is a national stage application ofPCT/CN12/74708 submitted on 2012 Apr. 26, and which is based on andclaims priority of Chinese Patent Application No. 201210118945.4 filedon 2012 Apr. 20, the entire contents of which are hereby incorporated byreference.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a three-dimensional (3D) display area.and, more particularly, to a display panel and a three-dimensional (3D)display device.

2. Description of Related Art

The current arrangement of pixels of the display panel includes ahorizontal type and a vertical (the Tri-gate) type. In the horizontaltype, sub-pixel units (RGB sub-pixel) are horizontally arranged. In thevertical type, the sub-pixel units are vertically arranged. FIG. 1 showsthe schematic drawing of a display panel of the vertical type. Thefollowing uses one pixel structure as example for description. As shownin FIG. 1, the display device includes the relative disposition of thethin film transistor substrate and a color filter substrate. Multiplescan lines G1, G2, G3, and G4, and multiple data lines D1 and D2 aredisposed on the thin-film transistor substrate, and the multiple scanlines G1, G2, G3, and G4 and the multiple data lines and D2 are cross todefine RGB sub-pixel units. The color filter substrate is disposed abovethe thin film transistor substrate, and a black matrix (BM) layer B1,B2, B3, and B4 are dispersed on the color filter substrate. Each blackmatrix layer B1, B2, B3, and B4 is correspondingly disposed above thescan lines G1, G2, G3, and G4 for separate the color crosstalk of thesub-pixels.

Comparing to the horizontal type, the vertical type shown in FIG. 1 canreduce the numbers of the source drivers (Source ICs) which are moreexpensive component of the display panel, savings cost. Therefore, thedisplay panels with the vertical type are more popular in 3D displaydevice application.

The three-dimensional display method of today's mainstream is using apolarized glasses with phase difference plate technology. FIG. 2 is aschematic diagram of the basic operating principle in existingtechnology. The operating principle is attaching a phase differenceplate 202 on the light emitting direction of the display panel 201 andusing phase delay of different regions on the phase difference plate 202such that lights of different pixels emit by different polarizationdirections. Therefore, the viewer wearing a polarized glasses 204 canobserve a 3D image.

However, due to the image crosstalk between the signals of left andright eye, the 3D display technology using phase difference plate existthe drawback of smaller vertical viewing angle.

Specifically, as shown in FIG. 2, the distance between the panel 201 andthe phase difference plate 202 is h. The following uses three pixels inthe display area of the display panel 201 for example. The black matrix214 area is between odd-row pixels 211, 213 and even-row pixel 212.Letter a is the height of the pixel display area and letter h is thewidth of the black matrix 214 in the vertical direction, and letter c isthe height of the phase delay fringes of the phase plate 202, wherein,p=a+b, and p is a fixed value for the pixel size. The non-cross-talkdisplay area 203 in the figure is the vertical viewing angle θ andsatisfies the following relationship:

$\begin{matrix}{{\tan\;\frac{\theta}{2}} = \frac{{2p} + b - {2c}}{2h}} & {{relationship}\mspace{14mu}{formula}\mspace{14mu} 1}\end{matrix}$

From the relationship formula 1, increasing the width b of the blackmatrix can increase the vertical viewing angle θ, but will reduce theheight of a pixel display area. a, thereby reducing the aperture ratioof the display panel.

In summary, it is necessary to provide a display panel and a 3D displaydevice for solving the problem of existing technology that is increasingthe width of the shading layer (BM) to increase the vertical viewingangle, but reducing the aperture ratio.

SUMMARY OF THE INVENTION

The main technical problems solving by the present invention is toprovide a display panel and a 3D display device, in order to solve theproblems with increasing the width of the shading layer (BM) to increasethe vertical viewing angle, but also reducing the aperture ratio in theprior art.

In order to solve these technical problems, technical solution used inthis invention is: to provide a display panel comprising:

-   -   a first substrate comprising multiple data lines disposed        parallel and alternately, multiple scan lines disposed        perpendicular to the direction of the data lines, and multiple        pixel units disposed as a matrix, wherein the pixel units        comprising a first sub-pixel unit, a second sub-pixel unit, and        a third sub-pixel, wherein the sub-pixel units electrically        connects to the same data line sequentially, and each of the        sub-pixel units electrically connects to the corresponding scan        line, and the scan line corresponding to the second sub-pixel        unit, the scan line corresponding to the third sub-pixel unit,        and the scan line corresponding to the first sub-pixel unit of        the next pixel unit are disposed side by side; and    -   a second substrate disposed correspondingly to the first        substrate and comprising a first black matrix disposed        correspondingly to the scan lines of the first substrate and a        second black matrix disposed correspondingly above the boundary        region between the first sub-pixel and the second sub-pixel        unit, wherein the width of the first black matrix is greater        than the width of the scan line, and the width of the second        black matrix is less than the width of the first black matrix.

Wherein, the three scan lines are disposed side by side by jump linemethod.

Another technical solution used to solve these technical problems, thepresent invention is: to provide a display panel, the display panelinclude: a first substrate comprising multiple data lines disposedparallel and alternately, multiple scan lines disposed perpendicular tothe direction of the data lines, and multiple pixel units disposed as amatrix,

-   -   wherein the pixel units comprising three sub-pixel units, and        each of the sub-pixel units electrically connects to the same        data line sequentially, and each of the sub-pixel units        electrically connects to the corresponding scan line, and the        scan line corresponding to at least one of the sub-pixel unit        and the scan line corresponding to the first sub-pixel unit of        the adjacent next pixel unit are disposed side by side; and    -   a second substrate disposed correspondingly to the first        substrate and comprising a first black matrix disposed        correspondingly to the scan lines.

Wherein, the display panel further comprising:

-   -   a gate driver connected to the scan lines for providing a        scanning voltage to the multiple sub-pixel units; and    -   a source driver connected to the data lines for providing a        driving voltage to the multiple sub-pixel units.

Wherein, the sub-pixel unit comprising a pixel electrode and a thin filmtransistor for driving the sub-pixel, wherein the gate, the source, andthe drain of the thin film transistor are electrical connected to thescan line, the data line, and the pixel electrode respectively.

Wherein, the pixel unit comprising a first sub-pixel, a second sub-pixelunit and a third sub-pixel unit disposed sequentially along thedirection of the data lines, wherein the scan line corresponding to thethird sub-pixel closest to the next pixel unit and the scan linecorresponding to the first sub-pixel unit of the next pixel unit aredisposed side by side.

Wherein, the second substrate further comprising a second black matrix,wherein the second black matrix is disposed correspondingly above theboundary region between the second sub-pixel unit and the thirdsub-pixel unit, and the width of the second black matrix is less thanthe width of the first black matrix.

Wherein, the scan line corresponding to the second sub-pixel unit, thescan line corresponding to the third sub-pixel unit, and the scan linecorresponding to the first sub-pixel of the next pixel are disposed sideby side.

Wherein, the second black matrix is disposed correspondingly above theboundary region between the second sub-pixel unit and the thirdsub-pixel unit.

Wherein, the three scan lines realize side-by-side disposition by jumpline method.

Wherein, the width of the first black matrix is greater than the widthof the scan line.

Another technical solution used to solve these technical problems is:providing a 3D display device, the 3D display device comprising: adisplay panel; and

-   -   a phase difference plate disposed at the light emitting        direction of the display panel and disposed parallel and        alternately with the display panel.

Wherein, the display comprising:

-   -   a first substrate comprising multiple data lines disposed        parallel and alternately, multiple scan lines disposed        perpendicular to the direction of the data lines, and multiple        pixel units disposed as a matrix.

Wherein, the pixel units comprising three sub-pixel units, and each ofthe sub-pixel units electrically connects to the same data line inorder, and each of the sub-pixel units electrically connects to thecorresponding scan line, and the scan line corresponding to at least oneof the sub-pixel unit and the scan line corresponding to the firstsub-pixel unit of the adjacent next pixel unit are disposed side byside; and

-   -   a second substrate disposed correspondingly to the first        substrate and comprising a first black matrix disposed        correspondingly to the scan lines.

Wherein, the display panel further comprising:

-   -   a gate driver connected to the scan lines for providing a        scanning voltage to the multiple sub-pixel units; and    -   a source driver connected to the data lines for providing a        driving voltage to the multiple sub-pixel units.

Wherein, the sub-pixel unit comprising a pixel electrode and a thin filmtransistor for driving the sub-pixel, wherein the gate, the source, andthe drain of the thin film transistor are electrical connected to thescan line, the data line and the pixel electrode respectively.

Wherein, the pixel unit comprising a first sub-pixel, a second sub-pixelunit and a third sub-pixel unit disposed sequentially along thedirection of the data line, wherein the scan line corresponding to thethird sub-pixel closest to the next pixel unit and the scan linecorresponding to the first sub-pixel unit of the next pixel unit aredisposed side by side.

Wherein, the second substrate further comprising a second black matrix,wherein the second black matrix is disposed correspondingly above theboundary region between the second sub-pixel unit and the thirdsub-pixel unit, and the width of the second black matrix is less thanthe width of the first black matrix.

Wherein, the scan line corresponding to the second sub-pixel unit, thescan line corresponding to the third sub-pixel unit, and the scan linecorresponding to the first sub-pixel unit of the next pixel are disposedside by side.

Wherein, the second black matrix is disposed correspondingly above theboundary region between the second sub-pixel unit and the thirdsub-pixel unit.

Wherein, the three scan lines realize side-by-side disposition by jumpline method.

Wherein, the width of the first black matrix is greater than the widthof the scan line.

The beneficial effects of the present invention are: In the presentinvention, the scan lines corresponding to multiple sub-pixels aredisposed side by side such that increasing the width of the first blackmatrix between adjacent pixel units and vertical viewing angle and donot reduce the aperture ratio.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic drawing of display panel with Tri-gate pixelstructure in the prior art;

FIG. 2 is a schematic drawing of the three-dimensional display in theprior art;

FIG. 3 is a schematic drawing of 3D display device structure of thepresent invention;

FIG. 4 is a schematic drawing of the display panel structure of thefirst embodiment of the present invention;

FIG. 5 is a part enlargement schematic drawing of the panel in FIG. 4;

FIG. 6 is a schematic drawing of the first substrate of display panel inFIG. 5;

FIG. 7 is a schematic drawing of BM layer on the second substrate of thedisplay panel shown in FIG. 5;

FIG. 8 is a schematic drawing or the display panel structure of thesecond embodiment of the present invention;

FIG. 9 is a schematic drawing of the first substrate of display panel inFIG. 8;

FIG. 10 is a schematic drawing of BM layer on the second substrate ofthe display panel shown in FIG. 8.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

The following combines drawings and embodiments for detailed descriptionof the present invention.

FIG. 3 is a schematic drawing of 3D display device structure of thepresent invention. As shown in FIG. 3, the 3D display device includes adisplay panel 31 and the phase difference plate 32.

In the present invention, the phase difference plate 32 is disposed atthe side of light emitting direction of the display panel 31 anddisposed parallel and alternately with the display panel 31. It shouldbe noted that the 3D device is suitable for the observer wearing aglasses 33 with two polarization direction orthogonal lens.

Wherein, the display panel 31 is preferably having a vertical pixelstructure. FIG. 4 is a schematic drawing of the display panel havingtri-gate pixel structure of the first embodiment of the presentinvention.

As shown in FIG. 4, the display panel 31 includes multiple RGB pixelunits distributed as a matrix, and multiple data lines D1, D2, . . . ,and DN disposed parallel and alternately, and multiple scan lines G1,G2, . . . , and GL disposed perpendicular to the direction of the datalines.

Wherein, each RGB pixel unit includes three R, G, B sub-pixel unitssequentially electrically connected with the same data line. Multiplescan lines, G1, G2, . . . , and GL connected to a gate driver 41.Multiple data lines, D1, D2, . . . , and DN, connected to a sourcedriver 42. The gate driver 41 provides a scanning voltage to multiple R,G, B sub-pixel units, and the source driver 42 provides a drivingvoltage to the multiple R, and B sub-pixel units.

In the present invention, the display panel including a first substrateand a second substrate relative disposed. Because each RGB pixel unit ofthe display panel is similar, the following description uses one RGBpixel unit for example.

FIG. 5 is a part enlargement schematic drawing of the display panel inFIG. 4 and FIG. 6 is a schematic drawing of the first substrate ofdisplay panel in FIG. 5.

Specifically, as shown in FIG. 5 and FIG. 6, each RGB pixel unit 61 onthe first substrate includes: a data line 615; three scan lines, 611,612, and 613; and a first sub-pixel unit 601, a second sub-pixel unit602, and a third pixel unit 603.

In this embodiment, the data line 615 and a data line 616 are disposedparallel and alternatively, and the scan lines, 611, 612, and 613 aredisposed sequentially perpendicular to the data lines 615.

The first sub-pixel unit 601, the second sub-pixel unit 602, and thethird pixel unit 603 sequentially electrically connected to the samedata line 615 to control the display of red, green, and blue,respectively.

Wherein, each of the sub-pixel units electrically connects to thecorresponding scan line, that is:

The first sub-pixel unit 601 electrically connects to the scan line 611,and the second sub-pixel unit 602 electrically connects to scan line612, and the third sub-pixel unit 603 electrically connects to the scanline 613. The scan line 613 which is corresponding to the thirdsub-pixel unit 603 closest to the next pixel unit and the scan line 614which is corresponding to the first sub-pixel unit 604 of the next pixelunit are disposed parallel and alternatively.

In this embodiment, each sub-pixel unit includes a pixel electrode and athin film transistor, that is:

The first sub-pixel unit 601 includes a pixel electrode 601 a and athin-film transistor Ta; second sub-pixel unit 602 includes a pixelelectrode 602 b and a thin film transistor Tb; the third sub-pixel unit603 includes a pixel electrode 603 c and a thin film transistor Tc

Wherein, the gate a1 of the thin film transistor Ta is electricalconnected to the scan line 611; the source a2 is electrical connecteddata lines 615; the drain a3 is electrical connected to the pixelelectrode 601 a.

The gate b1 of thin-film transistor Tb is electrically connected to thescan line 612; the source b2 is electrically connected to the data lines615; the drain b3 is electrically connected to the pixel electrode 602b.

The gate c1 of thin-film transistor Tc is electrically connected to thescan line 613; the source c2 is electrically connected to the data lines615; the drain c3 is electrically connected to the pixel electrode 603e.

It should be noted that the thin-film transistors, Ta, Tb, and Tc, areused to drive the pixel electrodes, 601 a, 602 b, and 603 c.

FIG. 7 is a schematic drawing of BM layer on the second substrate of thedisplay panel shown in FIG. 5. As shown in FIG. 7, the second substrateincludes a first black matrix 71 and a second black matrix 72.

In this embodiment, the first black matrix 71 is disposedcorrespondingly above the scan lines 611, 612, and 613, and the width ofthe first black matrix 71 is greater than the width of the scan lines611, 612, and 613. The second black matrix 72 is disposedcorrespondingly above the boundary region between the second sub-pixelunit 602 and the third sub-pixel unit 603. It should be noted that thewidth of the second black matrix 72 is less than the width of the firstblack matrix 71.

In this embodiment, comparing the first black matrix 71 between twoadjacent pixel units on the second substrate and the black matrix in theprior art shown in FIG. 1, the width of the first black matrix 71 isincreased to double. Combining the schematic drawing of thethree-dimensional display in the prior art shown in FIG. 2, the width bof the first black matrix 71 is increased to double in this embodiment;thus, in combination of the aforementioned relationship formula 1, thedisplay panel of the present invention can increase the vertical viewangle θ of the 3D display device.

Furthermore, comparing the multiple sub-pixel units and pixel units inthis embodiment to the prior art shown in FIG. 1, the value of height aof the pixel display area does not change, that is: under the premise ofimproving the vertical view angle θ does not reduce the aperture ratioof the display panel.

FIG. 8 is a schematic drawing of the display panel of the secondembodiment of the present invention. In this embodiment, on the basis ofthe embodiment shown in FIG. 5, three scan lines are disposed side byside such that the width the black matrix between the adjacent pixelunits on the color filter substrate increased by approximately double.Therefore, the display panel of the 3D display device using the displaypanel further increases the vertical view angle θ.

Specifically, as shown in FIG. 9. FIG. 9 is a schematic drawing of thefirst substrate of display panel in FIG. 8. In the way ofimplementation, a RGB pixel unit on the first substrate of the displaypanel 91 is used for an example. As shown in FIG. 9, a RGB pixel unit 91on the first substrate includes: a data line 915; multiple scan lines,911, 912, and 913; and a first sub-pixel unit 901, a second sub-pixelunit 902, and a third pixel unit 903.

In this embodiment, the data lines 915 and a data line 916 are disposedparallel and alternatively, and the scan lines, 911, 912, and 913 aredisposed along the direction perpendicular to the data line 915.

The first sub-pixel unit 901, the second sub-pixel unit 902, and thethird pixel unit 903 are sequentially electrically connected to the samedata line 915 for controlling the display of red, green, and blue.

Wherein, each sub-pixel unit is electrically connected to acorresponding scan line, that is:

The first sub-pixel unit 901 is electrically connected to the scan lines911, and the second sub-pixel unit 902 is electrically connected to thescan line 912, and the third sub-pixel unit 903 is electricallyconnected to the scan line 913. And the scan line 912 corresponding tothe second sub-pixel unit 902 and the scan line 913 corresponding to thethird sub-pixel unit 903 and the scan line 914 corresponding to a firstsub-pixel unit 904 of next pixel unit are disposed side by side,wherein, the scan line 912, the scan line 913, and the scan line 914realize side-by-side disposition by jump line method.

In this embodiment, the first sub-pixel unit 901, the second sub-pixelunit 902, and the third pixel unit 903 respectively include a pixelelectrode and a thin film transistor. The operation principle andconnection method of each pixel electrode and thin film transistorconnected are the same with the embodiment shown in FIG. 5, no morerepeating.

FIG. 10 is a schematic drawing of BM layer on the second substrate ofthe display panel shown in FIG. 8. As shown in FIG. 10, the secondsubstrate includes a first black matrix 101 and a second black matrix102.

In this embodiment, the first black matrix 101 is disposedcorrespondingly above the scan lines, 911, 912, and 913. And the widthsof the first black matrix 104 are greater than the widths of the scanlines 911, 912, and 913. The second black matrix 102 is disposedcorrespondingly above the boundary region between the first sub-pixelunit 901 and the second sub-pixel unit 902 and above the secondsub-pixel unit 902 and the third sub-pixel unit 903. It should be notedthat the widths of the second black matrix 102 are less than the widthsof the first black matrix 101.

As described above, the difference between this embodiment and theembodiment shown in FIG. 5 is that the scan line 912 corresponding tothe second sub-pixel unit 902 and the scan line 913 corresponding to thethird sub-pixel unit 903 and the scan line 914 corresponding, to thesub-pixel unit 904 of the next pixel unit are disposed side by side.

Because the first black matrix 101 is disposed correspondingly above thescan line, in this embodiment, the width of the first black matrix 101between two adjacent pixel units on the second substrate (color filtersubstrate) increase by approximately double with comparing to the priorart shown in FIG. 1. Combining the 3D display principle of the prior artshown in FIG. 2, the width b of the first black matrix 101 increasesapproximately double in this embodiment. By combining the aforementionedrelationship formula 1, the display panel of the present invention canmake the vertical viewing angle θ of the 3D device becomes larger.

Furthermore, this embodiment, the value of the height a of the displayarea of the sub-pixel unit does not change. Therefore, when increase thevertical viewing angle θ, it does not sacrifice the aperture ratio ofthe display panel or impact aperture ratio of the display panel.

In summary, in the present invention, the scan lines corresponding tomultiple sub-pixels are disposed side by side such that increasing thewidth of the first black matrix between adjacent pixel units andvertical viewing angle and do not reduce the aperture ratio.

The above embodiments of the present invention are not used to limit theclaims of this invention. Any use of the content in the specification orin the figures of the present invention which produces the equivalentstructures or an equivalent process, or directly or indirectly used inother related technical fields is still covered by the chums in thepresent invention.

What is claimed is:
 1. A three dimensional display device comprising: a display panel; and a phase difference plate disposed at the light emitting direction of the display panel and disposed parallel and alternately with the display panel; wherein, the display comprising: a first substrate comprising multiple data lines disposed parallel and alternately, multiple scan lines disposed perpendicular to the direction of the data lines, and multiple pixel units disposed as a matrix; wherein the pixel units comprising three sub-pixel units, and each of the sub-pixel units electrically connects to the same data line in order, and each of the sub-pixel units electrically connects to the corresponding scan line, and the scan line corresponding to at least one of the sub-pixel unit and the scan line corresponding to the first sub-pixel unit of the adjacent next pixel unit are disposed side by side; and a second substrate disposed correspondingly to the first substrate and comprising a first black matrix disposed correspondingly to the scan lines.
 2. The three dimensional device according to claim 1, wherein, the display panel further comprising: a gate driver connected to the scan lines for providing a scanning voltage to the multiple sub-pixel units; and a source driver connected to the data lines for providing a driving voltage to the multiple sub-pixel units.
 3. The three dimensional device according to claim 1, wherein, the sub-pixel unit comprising a pixel electrode and a thin film transistor for driving the sub-pixel, wherein the gate, the source, and the drain of the thin film transistor are electrical connected to the scan line, the data line and the pixel electrode respectively.
 4. The three dimensional display device according to claim 1, wherein, the pixel unit comprising a first sub-pixel, a second sub-pixel unit and a third sub-pixel unit disposed sequentially along the direction of the data line, wherein the scan line corresponding to the third sub-pixel closest to the next pixel unit and the scan line corresponding to the first sub-pixel unit of the next pixel unit are disposed side by side.
 5. The three dimensional display device according to claim 4, wherein, the second substrate further comprising a second black matrix, wherein the second black matrix is disposed correspondingly above the boundary region between the second sub-pixel unit and the third sub-pixel unit, and the width of the second black matrix is less than the width of the first black matrix.
 6. The three dimensional display device according to claim 5, wherein, the scan line corresponding to the second sub-pixel unit, the scan line corresponding to the third sub-pixel unit, and the scan line corresponding to the first sub-pixel unit of the next pixel are disposed side by side.
 7. The three dimensional display device according to claim 6, wherein, the second black matrix is disposed correspondingly above the boundary region between the second sub-pixel unit and the third sub-pixel unit.
 8. The three dimensional display device according to claim 6, wherein, the three scan lines realize side-by-side disposition by jump line method.
 9. The three dimensional display device according to claim 1, wherein, the widths of the first black matrix are greater than the widths of the scan lines. 